/*
 * Copyright 2023 AntGroup CO., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */

package com.antgroup.geaflow.cluster.driver;

import com.antgroup.geaflow.cluster.common.IDispatcher;
import com.antgroup.geaflow.cluster.common.IEventListener;
import com.antgroup.geaflow.cluster.protocol.ICycleResponseEvent;
import com.antgroup.geaflow.cluster.protocol.IEvent;
import com.antgroup.geaflow.common.exception.GeaflowRuntimeException;
import java.util.HashMap;
import java.util.Map;

public class DriverEventDispatcher implements IDispatcher {

    private Map<Long, IEventListener> eventListenerMap;

    public DriverEventDispatcher() {
        this.eventListenerMap = new HashMap<>();
    }

    public void dispatch(IEvent event) {
        ICycleResponseEvent doneEvent = (ICycleResponseEvent) event;
        IEventListener eventListener = eventListenerMap.get(doneEvent.getSchedulerId());
        if (eventListener == null) {
            throw new GeaflowRuntimeException(String.format("event %s do not find handle listener %s", event, doneEvent.getSchedulerId()));
        }
        eventListener.handleEvent(event);
    }

    public void registerListener(long schedulerId, IEventListener eventListener) {
        this.eventListenerMap.put(schedulerId, eventListener);
    }

    public void removeListener(long schedulerId) {
        this.eventListenerMap.remove(schedulerId);
    }
}
